Inventor
Kohei Seki
Inventor
Niihama, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry21%
C01BNon-metallic elements21%
Y02PClimate change mitigation technologies in the production or processing of goods18%
LOC139%
C22BProduction and refining of metals6%
B23KSoldering or unsoldering3%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
PatentTitleYear
11,121,487Car window glass assembly2021D0928721Connecting terminal2021D0927431Connecting terminal202110,882,026Process for producing chlorine2021D0883227Connecting terminal202010,457,636Production method of [?]-caprolactam20199,889,431'Method for producing chlorine and catalyst'20189,682,915'Method for producing methacrylic acid ester'20178,454,914'Method for recovering ruthenium'20138,318,125'Method for activating catalyst for chlorine production'20128,101,538'Process for producing ruthenium oxide-supported material and process for producing chlorine'20127,858,065'Process for producing supported ruthenium and process for producing chlorine'20106,852,667'Process for producing chlorine'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2021Patents assigned to SUMITOMO CHEMICAL CO (9)· patent assignee history
2005Based in Chiba, JP· patent location history
2010–2021Based in Niihama, JP· patent location history
2012–2021Patents assigned to SEKI KOHEI (5)· patent assignee history
2013Patents assigned to FURUYA METAL CO LTD (1)· patent assignee history
2013Patents assigned to HIRAI YOSHINARI (1)· patent assignee history
2019Based in Ichihara, JP· patent location history
2020–2021Patents assigned to CENTRAL GLASS CO LTD (4)· patent assignee history
2020–2021Based in Matsusaka, JP· patent location history
2021Based in Matsusaka-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 9 | 2005–2021 |
| SEKI KOHEIself | 5 | 2012–2021 |
| CENTRAL GLASS CO LTD | 4 | 2020–2021 |
| FURUYA METAL CO LTD | 1 | 2013 |
| HIRAI YOSHINARI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niihama, JP | 7 | 2010–2021 |
| Matsusaka, JP | 2 | 2020–2021 |
| Matsusaka-shi, JP | 2 | 2021 |
| Ichihara, JP | 1 | 2019 |
| Chiba, JP | 1 | 2005 |